Which family of elements on the periodic table would most likely have the electron dot diagram x:?

A. Group 1A, the alkali metals

B. Group 2A, the alkaline earth metals

C. Group 6A, the chalcogens

D. Group 7A, the halogens

E. Group 8A, the noble gases

Question

Which family of elements on the periodic table would most likely have the electron dot diagram x:?

A. Group 1A, the alkali metals

B. Group 2A, the alkaline earth metals

C. Group 6A, the chalcogens

D. Group 7A, the halogens

E. Group 8A, the noble gases

anonymous · Answer

Can anybody explain?

anonymous · Answer

x: means the atom has 2 valence electrons.. so its b options i guess

anonymous · Answer

Are you 100% sure? or you guess?

anonymous · Answer

look, noble gases are either octate or duplet that means they donot have any valence electrons in them. The alkali metals have 1 valence electron, x. halogens are also x. calchogens have six . That leaves b

anonymous · Answer

THANKS!